US PATENT SUBCLASS 504 / 198
.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly to the phosphorus

Current as of: June, 1999
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504 /   HD   PLANT PROTECTING AND REGULATING COMPOSITIONS

116  DF  PLANT GROWTH REGULATING COMPOSITIONS (E.G., HERBICIDES, ETC.) {9}
189  DF  .~ Organic active compound containing {19}
194  DF  .~.~ Phosphorus containing wherein the phosphorus is other than solely as part of an inorganic ion in an addition salt {5}
198.~.~.~ Having -C(=X)-, wherein X is chalcogen, bonded directly to the phosphorus

DEFINITION

Classification: 504/198

Having -C(=X)-, wherein X is chalcogen, bonded directly to the phosphorus:

(under subclass 194) Compositions wherein the phosphorus is bonded directly to a -C(=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).